| Lac Dumoine | |
| Pushpin Map: | Quebec |
| Location: | Les Lacs-du-Témiscamingue, Abitibi-Témiscamingue, Quebec |
| Coords: | 46.9094°N -77.8942°W |
| Inflow: | Rivière aux Écorces Rivière D'loringal |
| Outflow: | Kipawa River Dumoine River |
| Basin Countries: | Canada |
| Area: | 81km2 |
| Shore: | 161km (100miles) |
| Elevation: | 311m (1,020feet) |
Lac Dumoine is a lake in Abitibi-Témiscamingue region, in southern Quebec, Canada.